MANUAL Location - Area: Alpi Graie , magnitude (ML): 1.6
2024-09-16 05:37:55 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-09-16 08:10:13

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Earthquake info - Manual location
Event - ID :240916053731
Magnitude (ML) :1.6 +/- 0.2
Origin Time :2024-09-16 05:37:55.152 (UTC)
Location : Latitude: 45.404 N, Longitude: 6.821 E
Area :Alpi Graie
Depth (km) :0.99
Distances (km) : 25.4 --- Moncenisio
28.2 --- Novalesa
29.6 --- Rhemes-Notre-Dame
31.0 --- Venaus
31.6 --- Valgrisenche
32.4 --- Ceresole Reale
32.9 --- Balme
33.0 --- Mompantero
33.0 --- Giaglione
34.1 --- Chiomonte
34.7 --- Susa
34.8 --- Gravere
35.0 --- Exilles
36.0 --- Groscavallo
36.3 --- La Thuile
36.5 --- Usseglio
36.8 --- Meana di Susa
36.8 --- Valsavarenche
37.1 --- Salbertrand
37.3 --- Bardonecchia

Quality location estimate: Erh: 1.7 km, Erz: 1.2 km, Nf: 32, Gap: 178 °, Rms: 0.37


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
OGMOFR2024-09-16 05:38:00.2600.07630.321.082024-09-16 05:38:03.0500.0792-0.101.4024.3
LSDGU2024-09-16 05:38:00.3400.01300.001.722024-09-16 05:38:02.8420.0932-0.920.5125.4
MRGEIV2024-09-16 05:38:03.6200.0221-0.560.602024-09-16 05:38:09.2150.0400-0.760.6644.8
RSPGU2024-09-16 05:38:03.7900.0472-0.051.592024-09-16 05:38:08.9160.2987-0.580.7844.9
RRLGU2024-09-16 05:38:05.4600.02810.011.652024-09-16 05:38:11.8800.3788-0.450.9053.8
REMYGU2024-09-16 05:38:05.3000.0200-0.690.672024-09-16 05:38:13.0340.0400-0.171.1754.9
CIROGU2024-09-16 05:38:06.3640.0200-1.230.262024-09-16 05:38:14.0840.0400-1.610.1062.3
OGAGFR2024-09-16 05:38:09.0600.03710.440.772024-09-16 05:38:18.0700.22260.021.2472.0
BHBGU2024-09-16 05:38:08.5900.04220.231.322024-09-16 05:38:17.5000.26070.151.1772.1
DIXCH2024-09-16 05:38:10.5610.0200-0.800.632024-09-16 05:38:21.2900.0400-1.220.3687.8
OROIV2024-09-16 05:38:12.3040.0200-0.001.502024-09-16 05:38:24.2850.04000.630.5093.7
SATIGU2024-09-16 05:38:13.0000.02000.161.432024-09-16 05:38:25.0650.04000.141.2496.9
PZZGU2024-09-16 05:38:12.9650.0200-0.370.782024-09-16 05:38:24.9320.0400-1.070.47102.4
SURFFR2024-09-16 05:38:13.9860.02000.380.972024-09-16 05:38:26.5800.0400-0.131.18102.6
MMKCH2024-09-16 05:38:15.1040.02000.101.452024-09-16 05:38:29.1170.04000.390.92114.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
LSD GUHH1.132.30e-125.476
MRGE IVHH1.248.42e-244.825
RRL GUHH1.498.19e-253.8183
REMY GUHH1.451.06e-154.928
CIRO GUHH1.474.55e-262.369
OGAG FRHH1.547.36e-272.0198
BHB GUHH1.546.67e-272.1151
DIX CHHH1.881.02e-187.831
SATI GUHH1.763.59e-296.957
PZZ GUHH1.779.49e-2102.4167
MMK CHHH1.782.34e-2114.351


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
IH 0*
(m)
IH 1*
(m)
IH 2*
(m)
Sa(T=0.10)
(g)
Sa(T=0.30)
(g)
Sa(T=1.00)
(g)
Sa(T=3.00)
(g)
Dist.
(km)
Azim.
(°)
LSD GUHHZ5.9888e-61.2495e-61.1365e-67.6781e-73.1951e-71.7298e-55.2145e-64.6505e-73.9607e-825.476
LSD GUHHN9.4952e-61.8757e-61.5919e-68.5821e-73.7482e-72.3129e-51.1562e-54.7111e-74.9068e-825.476
LSD GUHHE8.3707e-62.1168e-61.5867e-69.9803e-75.6674e-72.1707e-57.0950e-61.0389e-66.3481e-825.476
MRGE IVHHZ2.5510e-64.9408e-74.3089e-73.2403e-71.5551e-73.1982e-63.6322e-62.5192e-71.4707e-844.825
MRGE IVHHN3.9527e-67.0511e-74.1516e-75.2961e-72.9963e-76.1229e-61.8945e-63.3848e-72.3552e-844.825
MRGE IVHHE3.2544e-66.6083e-74.7741e-75.3209e-72.9564e-73.9161e-62.4932e-62.6797e-72.2848e-844.825
RSP GUHHZ1.3537e-63.2480e-72.7685e-72.2337e-77.9792e-83.8958e-61.1867e-68.1041e-89.2627e-944.9129
RSP GUHHN1.6344e-64.6930e-75.0025e-73.2897e-71.2987e-73.8556e-61.8216e-61.4817e-71.4046e-844.9129
RSP GUHHE2.4948e-65.5335e-74.9491e-73.3701e-71.3123e-76.2056e-62.6516e-61.4438e-71.5188e-844.9129
RRL GUHHZ1.3297e-65.6555e-75.2325e-75.4885e-71.8208e-73.3167e-63.4733e-62.0280e-71.8177e-853.8183
RRL GUHHN2.4001e-68.0734e-76.4626e-75.2068e-72.0513e-75.5001e-62.7045e-62.2039e-72.2590e-853.8183
RRL GUHHE1.4985e-65.7671e-76.2735e-74.2641e-71.6781e-73.3626e-64.8783e-61.8880e-71.8379e-853.8183
REMY GUHHZ1.2606e-64.6788e-74.0337e-73.7418e-71.3106e-73.2137e-62.1998e-61.5040e-71.4427e-854.928
REMY GUHHN1.4311e-66.0867e-76.6598e-78.3999e-73.0441e-73.1497e-63.2621e-63.0701e-72.6110e-854.928
REMY GUHHE1.4043e-66.7587e-75.6524e-76.6020e-72.2303e-73.9800e-62.7843e-62.7107e-72.4861e-854.928
CIRO GUHHZ1.4796e-62.7166e-72.7250e-72.0096e-77.0157e-83.1905e-62.1310e-68.8657e-81.0785e-862.369
CIRO GUHHN1.6686e-63.8086e-74.0127e-72.5539e-71.0764e-73.4996e-63.2022e-61.3705e-71.1466e-862.369
CIRO GUHHE1.2714e-62.4223e-72.5023e-72.0810e-77.6195e-83.8237e-61.1886e-68.2454e-88.1706e-962.369
OGAG FRHHZ7.0805e-73.6633e-73.7881e-73.6150e-71.2534e-72.3739e-62.6163e-61.5595e-71.3229e-872.0198
OGAG FRHHN9.3349e-74.7198e-73.5955e-74.7843e-71.7793e-71.7063e-62.0483e-61.8621e-71.7798e-872.0198
OGAG FRHHE9.4878e-74.6678e-74.4916e-75.1930e-72.3180e-71.2732e-63.0346e-62.0079e-71.7238e-872.0198
BHB GUHHZ1.3182e-64.3421e-74.0106e-73.2025e-79.9830e-84.8704e-61.6844e-61.2781e-71.2889e-872.1151
BHB GUHHN1.6619e-64.9560e-74.7184e-73.7722e-71.1849e-75.5336e-62.0263e-61.3748e-71.6014e-872.1151
BHB GUHHE1.7566e-65.0874e-74.3536e-74.2807e-71.5243e-75.0259e-61.6155e-61.5385e-71.9564e-872.1151
DIX CHHHZ2.2537e-66.9713e-78.3916e-74.7249e-71.6973e-75.7219e-65.3045e-62.3186e-72.3650e-887.831
DIX CHHHN2.5350e-68.1016e-78.8383e-75.4180e-71.8266e-74.6001e-65.6289e-62.2524e-72.8445e-887.831
DIX CHHHE2.6727e-68.9962e-79.0127e-75.4727e-71.8669e-76.4507e-67.8467e-62.4976e-73.1510e-887.831
ORO IVEHZ3.0930e-66.8193e-76.9981e-73.4949e-71.1055e-75.0976e-63.4119e-61.4010e-71.9311e-893.774
ORO IVEHN4.5101e-61.5145e-61.2919e-68.6888e-72.8416e-77.4411e-65.2465e-64.0761e-74.9090e-893.774
ORO IVEHE4.6649e-61.0044e-69.5338e-76.1958e-72.0612e-77.0990e-64.7098e-62.7211e-73.2440e-893.774
SATI GUHHZ4.8550e-71.8744e-71.7570e-71.3487e-76.0253e-82.0754e-61.2331e-66.2747e-87.4041e-996.957
SATI GUHHN9.2676e-72.8245e-72.3432e-72.2613e-78.2178e-82.4409e-61.2337e-69.8948e-87.8141e-996.957
SATI GUHHE9.0636e-72.2720e-72.3512e-71.5301e-76.1614e-83.2591e-61.1140e-68.0971e-86.3647e-996.957
PZZ GUHHZ1.6859e-66.0292e-76.2562e-74.0200e-71.6505e-72.8675e-63.6135e-61.6901e-72.0088e-8102.4167
PZZ GUHHN1.6855e-67.4753e-77.2849e-75.6364e-72.4283e-73.4795e-63.5946e-62.5688e-72.2181e-8102.4167
PZZ GUHHE1.9851e-68.9193e-76.4833e-74.5555e-72.5099e-73.9777e-64.8238e-62.8347e-72.7332e-8102.4167
MMK CHHHZ4.4663e-71.3724e-71.3996e-78.2882e-83.6173e-81.1914e-68.3223e-74.2960e-83.8659e-9114.351
MMK CHHHN4.2672e-71.8597e-71.7130e-71.2926e-74.2073e-88.6064e-71.3033e-64.7768e-85.8547e-9114.351
MMK CHHHE3.0844e-71.2370e-71.0561e-71.0430e-73.5952e-87.4590e-74.7222e-73.8021e-83.7564e-9114.351
*IH (Housner Intensity) calculated on the velocity spectrum (SV) between 0.1 and 0.5 s (IH0), 0.1 and 1.0 s (IH1), 0.1 and 1.5 s (IH2)

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